Collar-forming machine.



J. J. SELTENREICH.

COLLAR FORMING MACHINE.

APPLICATION FILED MAR. 29. 1912.

Patented Oct. 19, 1915.

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COLLAR FORMING MACHINE.

APPLICATION FILED MAR. 29- I9l2.

1,157,329. Patented Oct. 19, 1915.

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1,157,329. Patented Oct. 19, 1915.

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COLLAR FORMING MACHINE.

APPLICATION FILED MAR. 29. 1912.

1,157,329. Patented 0011.19,1915.

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1.]. SELTENREICH.

COLLAR FORMING MACHINE.

APPLICATION FILED MAR. 29, l9l2.

Patented Oct. 19, 1915.

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AFN

JOHN J. SELTENREIOH, OF CHICAGO, ILLINOIS, ASSIGNOR TO NATIONAL CHEMICAL COMPANY, OF SYRACUSE, NEW YORK, A CORPORATION OF NEJV YORK.

COLLAR-FORMING MACHINE.

Application filed March 29, 1912.

To all whom it may concern:

Be it known that I, JOHN J. SELT'ENREIGH, of Chicago, in the county of Cook, in the State of Illinois, have invented new and useful Improvements in Collar-Forming Machines, of which the following, taken in connection with the accompanying draw ings, is a full, clear, and exact description.

This invention relates to certain improvements in collar ironing machines of the class set forth in the pending application of W. J. Quinn, Serial No. 609,55, filed February 18, 1911, in which the folded collars are placed by hand upon one or more circular forms which are then automatically shifted and brought into pressing coaction with steam heated dies for shaping the col ar and ironing or smoothing its folded edge to remove any roughness, wrinkles or other irregularitiesin such fold or adjacent portions of the collar and I am aware of the application of WVilbur W. Quinn, Serial No. 627,500, filed May 16, 1911, and no claim is made herein to the invention or inventions dis closed in either of the above identified applications.

The main object of my present invention is not only to render the operation of iron-' ing and shaping the collar as nearly automatic as may be practicable but also to provide means whereby the machine may be easily and quickly stopped and started by the mere pressure of the foot upon a suitable pedal lever and to otherwise increase the general efliciency of the machine so that it may be capable of doing more and better work for a given period of time and with less requisite skill than has heretofore been practiced. These collar supporting forms are mounted upon the head of an upright shaft some distance from the axis thereof, said shaft being rotatable intermittingly to bring the forms into registration with the ironing die and is then reciprocatedaxially to force the forms to andfrom their pressing positions, and one of the specific objects is to automatically lock the shaft against rotation during such reciprocatory movement so as to hold the forms inexact alinement with the dies during the pressing op eration and to automatically release said" shaft from its locked position after the forms have been withdrawn from the die.

Another object is to provide precaution- Specification of Letters Patent.

Patented Oct. 19, 1915.

Serial No. 687,153.

ary means for positively returning the shaft and forms from their pressing positions in case they should not return by their own gravity at the proper time.

A still further object is to provide the grooved ironing device with recesses communicating with one side of their respective grooves to receive the upturned ends or tabs of the collar and thereby prevent overturning of the upper edge of said tabs while under pressure in the dies.

Another object is to provide each ironing die with suitable spring fingers for retaining the collar on the form while the latter is being forced to and from its pressing position.

Other objects and uses relating to specific parts of the machine will be brought out in the following description.

In the drawings Figure 1 is a top plan of a collar shaping and ironing machine embodying the various features of my invention. Fig. 2 is an enlarged vertical sectional view through one of the ironing dies and collar supporting forms together with the adjacent portion of the supporting head for said form taken on line 22, Fig. 1, the parts being shown in their pressed position with an interposed collar between the die and form and also showing the spring fingers for retaining the collar upon the form, while the latter is being forced to and from its pressing position. Figs. 3, 4 and 5 are respectively a front elevation, a rear elevation and a side elevation of the same machine. Fig. 6 is an enlarged inner face view partly in section of portions of one of the dies and one of the collar supporting forms in its pressing position showing the adjacent portion of a collar and recesses for receiving the upturned end of the tab and also showing a portion of one of the spring fingers for holding said tab on the form. Fig. 7 is a central vertical sectional view of the same machine taken on line 77, Fig. 3, except that the collar supporting forms are withdrawn from the dies and the operating mechanism is shown in a position for rotating the forms. Fig. 8 is a face view of the larger mutilated gear for driving. the rotary carrier. Fig. 9 is an inverted face view of the smaller mutilated gear and notched disk integral therewith. Fig. 10 is an enlarged detail sectional view of the locking connection between the base of one of the collar supports and adjacent portion of the carrier.

This machinecomprises an upright supa between the table'2' and dies and also I between the brackets 3 for the free reciprocatory and rotary movement of a plu rahty of, 1n thls 1nstance tWO,;1)2 .11'SOfCOllZtl' supportmg forms'5 and their supporting frame -6 which latter is mounted upon a vertically movable rotary shaft 7. The dies l are substantial duplicates disposed side by side in the same horizontal plane and preferably consist of hollow cast metal rings having adjacent sides integrally'umted by a hollow web -it to wh ch steam or other heating fluid may be,

supplied from any available source through a supply p1pe -8 for heating the head to the desired temperatureand when steam is v employed as the heating medium, I also provide the hollow web with a drainage outlet -i9 as shown more clearly in Figs. 1.

and 4. Each of the dies l is provided in its underside with an annular collar shaping groove -10- concentric with the axis of said die and forming inner and outer flanges 11 and 12, the inner flange -11 which engages the inner side of the collar being somewhat shorter vertically than the flange l2- to allow the use of suitable spring fingers 13 and 1-1- for retaining the collar on the form during its entrance and exit into and out of the groove 10. adjacent sides of the flanges 1l and -12 are tapering or flaring downwardly or rather converge toward the base of the groove which is rounding in cross section so as to impart a similar rounding contour to the fold of the collar during the pressing operation.

As previously stated each of the dies or rlngs 1s hollow to form an annular steam chamber 15 which extends radially over and beyond the base of the groove 10 and downwardly in the flange --12- some distance below the lower edge of the flange 11' leaving comparatively thin yet rigid intervening'walls between the groove and chamber for quickly heating the base and sides of the groove. 7

As best seen in Figs 1, 2 and '6, a relatively small portion of theinner side of each of the,

away to form a vertical recess: l6 lead- For a similar purpose the fingers as l4L which is secured to the collar support 5 into the groove of the die and to withdraw the collar when the form is withdrawn from,

its pressing position.

As shown more clearly in Fig. 6, the end of the upper wall or base of the groove adj acent the recess 16 is curved upwardly at 1'Z to allow the upturned tab of the collar to readily enter the recess'and to avoidoverturing the upper edge of sand tab, while the fold of the collar is being pressed against the base of the groove. The object in flaring the side-walls of the groove 10 down wardly is to facilitate the entranceof the collar and its supporting form into said groove and at the'sam'e timeto. cause the collar to be wedged tightly therein to give the fold and adjacent portions of the collar the desired polish or finish. Each of the col lar supporting forms-5 preferably comprises a cast metal base 18 and a circu- I lar sheet metal ring l9', the latter being divided through one side at 20- to permit it to expand and contractor rather-to yield radially at different points so as to compensate for any inequalities in the thickness of the collar and to more readily register with the sides and base of the groove during the operation of pressing the collar therein. The collar supporting ring 19' is prefer ably made of. comparatively thin polished metal capable of imparting a smooth finish to the inner faces of the opposite folds of" the collar and to shape said collar so that and adapted to engagethe upper edge of the tab -a to hold the latter ,on the form 5 during its entrance the opposite sides will be slightly separated to allow a tie to be readily drawn between the folds. The base 18 is'prov1ded w1th a circular marginal flange '21 within which the lower end of the collar supporting ring 19 is detachably fitted and held 1n place by one or more pins -22- projecting the upper end of the spring finger 13- being bent outwardly and downwardly'at 2l at an angle to the axis of the ,ring and is spring pressed into engagement with the inner fold of the collar to'hold saidcol lar in proper position on the form while the I latter is being forced to its pressing posi-f' tion, The object ofin'clining the portion of the upper end of the springis to allow it'to-ride against the lower edge of rotary movement with the sleeve.

sleeve -3l is inserted from the underside "the flange 11-, while the collar is being forced in the groove of the die, but as soon as the collar supporting form and collar thereon is withdrawn from the die, this inclined portion is immediately returned to its holding position to grip the collar and carry it down with the form. The upper end of the spring finger -1l is also returned outwardly and downwardly and adapted to engage with the upper edge of the tab (z in the manner and for the purpose described.

The supporting frame 6 for the forms is rigidly secured to the shaft -7- and for this purpose is provided with a central hub having a tapering opening therethrough fitted tightly upon a correspondingly tapered upper end of the shaft and held in place by a cap screw which enters a threaded hole in the adjacent end of the shaft, said support being also provi ded with a series of, in this instance four, radial arms of equal length spaced uniform distances apart circumferentially and provided at their outer ends with sockets 26 for receiving the hubs as 27- of the ring supports 18, the rings being locked by pins 22.

The hubs -27 are preferably hollow and telescopewith an easy sliding fit within the sockets 26 and are held in place against undue vertical displacement by bolts 28 passing through suitable apertures in the bottom of the sockets 26 and upper sides of the hubs 27. Suitable coiled springs 29 are arranged within the sock ets 26 and hubs 27 around their re spective bolts 28 so as to bear against the bottom of the socket 26 and upper side of the hub -27- for yieldingly supporting the forms -5, thereby causing the collars to be pressed into and against the bases of the grooves l0 under a yielding pressure and assuring a perfect contact of all portions of the fold of the collar with the base of the groove even though the thickness of the collar at the fold may vary slightly at different points;

, The shaft 7 is supported in an upright position midway between and some distance in front of the dies 4: and is adapted to be rotated and moved axially to successively register each pair of collar supporting forms with the grooves in the dies and to move said forms with the collars thereon into and out of said grooves and for this purpose I have provided the top of the main supporting frame 1- with a hollow hub 30 in which is 'jo-urnaled a rotary sleeve 81 having a central bore in which the shaft 7 is splined for aXial movement and for This upwardly through the opening in the top of the frame '1- and extends some distance above'said top, its upper end being threaded externally for receiving a nut 32 for engaging the upper side of the frame and holding the sleeve in operative positlon against downward movement, said nut being held in The disk -3.l:- constitutes one of the locking elements for holding the sleeve and shaft against rotation when the collar"supporting forms are in pressing coaction with the dies l, and inasmuch as each pair of forms are registered successively and alternately with the dies, it is necessary to lock the shaft against rotation at each half turn and for this purpose the periphery of the disk 34- is provided with diametrically opposite notches or recesses 86- one of which is shown in Fig. 3 for alternately and successively receiving a movable locking pawl ordetent 37 shown more clearly in Fig. 5 as engaged in the other notch.

The pawl 37 is pivo-tally mounted at 38 in a bracket 89 secured to and depending from the underside of the top of the main supporting frame 1 at the rear side of the disk 34;, said bracket being provided with a vertical groove in which the pawl 37- is adapted to play and serves to hold said pawl against undue lateral movement. This pawl is spring pressed into holding engagement with the disk 34- by means of a coiled spring -4l0 which is mounted in a suitable socket in the bracket 39 and engages the rear edge of the pawl so as to force the latter forwardly toward the disk and at the same time permitting said pawl to be forced from its holding position at the proper time in a manner hereinafter described.

The bevel gear or pinion is adapted to be driven by a mutilated gear 41 which is mounted upon a horizontal shaft 42, said gear and pinion being proportioned and mutilated in such manner as to rotate the shaft intermittingly one-half revolution at a time and to hold the shaft 7 against rotation while the shaft l2 continues to revolve. For this purpose the ratio of the gears 35 and i1 is one to four, the gear 35 being provided with diametrically opposite toothed segments and intervening diametrically opposite, smooth portions, while the gear 4:1 is providedwith a toothed segment having about the same number'of teeth as one of the segments of the gear 35 or sufficient so that when the toothed segment of the gear 41 is in mesh with either of the toothed segments on the gear -35',it will rotate the shaft one-half'revolution, the remaining'portions of the gear 4l beingsmooth for sliding contact-with the smooth portions of the gear 35, thereby holding'the shaft against rotation irrespective of the locking pawl -37.

The shaft l2 is journaled in suitable bearings l3 on the v main supporting frame 1'and is provided with a worm gear M-- which meshes with a worm 4E5 on a main driving shaft 46 This shaft it,6 is also vjournaled in suitable bearings 47 on the main supporting frame and is provided with a clutch section at8*splined thereon and movable into and:

out of engagement with a corresponding clutch section L9' on the ad acent end of a driving pulley 50, which 15 loose on the shaft and adapted to be connected'to any 7 available source'of power not shown, said shaft -l-6 belng also provided w th a 7 hand wheel 5l on its outer end whereby it may be rotated to operate the machine at will when necessary.

The sliding clutch section 48 is moved into and out of interlocking engagement with the pulley 50 by means of a bellcrank lever 5 2- which is secured to a rock shaft 53 and is provided with opposite pedals 54 and +55 for rocking thev shaft in reverse directions. This rock shaft -53 s 3ournaled in the mam supporting frame and provided with an upwardly pro-- jecting arm -56f rigid thereon and having its upper end engaged in an annular groove in the clutch section &8- so that by rocking thelever 52 in one direction, as for example, by depressing the pedal .55 the clutch member '48-' will be thrown into locking engagement with the clutch section 49 to lock the pulley 50 to the shaft =6 or when rocked in the other direction by means'of the pedal ,54l-, the clutch section 48 will be thrown from its locking position, thereby releasing the pulley and vpermitting it to rotate continuously independently of the machine.

' The means for reciprocating the vertical shaft 7 and collar supporting forms 5 carried thereby consists of a semi-(air cular cam 57 rigidly secured to the shaft +42 and adapted to engage a roller bear-' ing 58 on the underside of the top of a vertically movable yoke 59 which surrounds the cam 57 and shaft ;2- and is provided with upwardly projecting guide pins 60 playing in suitable guide openings in the top of the main supporting frame 1 so as to cause the yoke tomove' vertically in a straight line; it being understood that the opening in the yoke -f59 in which the cam 57, plays is of-sufiicient size to permit free play of the cam without liability-:of engaging anyother' portions of the yoke except the roller +58 The lower end of the yoke 59. is pivot ally connected at portion-of a forwardly and rearwardly eX- tending rock arm +62 having its rear end fulcrumed upon a cross rod 63- in" the lower part of the main supporting frame 1. and its front end furcated and en-' gaged between suitable shoulders of a collar 6-lin which the lower-end of the shaft is-stepped, said collar hav ng an axial ad-' ustmg screw V65, in its lower end upon which the'lower end ofthe shaft rests for adjusting said shaft to the desired height relatively to the collar. At thefront of the frame is another cross rod o{i. disposed in substantially thesame horizontal plane as the crossrod -6-? and to thesecross rods are rigidly secured upwardly projecting brackets 67 v-,carrying a forwardly and rearwardly extending rock shaft 68. to which is secured one end of a laterally pro-' 61' to the intermediate jecting rock arm 69+- having its other end engaged with the upper face ofa collar 70 rigid on the vertical shaft Y7VV for positively forcing the shaft downward in case it should fail to drop by its own gravity; For this purpose the'rear end of the rock shaft68 is provided -with an adandtherefore elevates the shaft and collar supporting forms carried thereby into pressing coaction with the shaping heads '4:, while said shaft is heldv against rotation or through practically half a revolution of the gear 41 such vertical 'movemfl lt of the shaft and collar forming heads being accomplished through the medium of the yoke and its connection with'the rock arm 2. r

As sco es, th h g p fi ns of the a have passed the roller +58 on the yoke -59 during its continuous revolution, the

weight ofthe shaft and collar supporting. forms mounted thereon is ordinarily suflicient to return said forms to ,a plane below that of the shaping heads 4l' but in case 7 these parts shouldfnot return to their starting positions by gravity, the arm 73 on the shaft willhave rotated into e v act with 'th i a m tl ereby 0px: erating the roqkshaft. +168 and r ekarlu tion with the shaping heads preparatory to raising said forms to repeat the pressing operation prevlously described. During this operation of raising and lowering the collar supportingforms into and out of pressing coaction with the heads -f, the shaft is positively held against rotation by the looking pawl 37 and it therefore becomes necessary to force this pawl from its locking position before thetoothed segment of the gear 41- engages the teeth of the pinion 35 to rotate the shaft 7 and forms carried thereby and for this purpose I have provided the rear face of the gear fl with a cam 80fextending concentrically across the back and beyond the ends of the toothed segment of the gear t1, the ends of said cam being beveled so as to ride easily against the front-face of the. pawl -37- to force the latter rearwardly' against the action of its retracting spring out of looking engagement with the disk 34, thereby permitting the rotation of the shaft 7 and forms 5 by the intermeshing teeth of the gears --ll.and 35. After the collars are pressed, they are removed by hand from the forms 5 and placed into a circular chute 81 through which they I ,may gravitate into an underlying receptaedges of the forms -5-, while those which have been previously placed in the same manner upon the forms which are in pressmg coactlon with the heads are under pressure, ample time being afforded to place these collars on the exposed forms-owing to the relatively slow intermitting action of the vertical shaft 7 and forms carried thereby. As previously stated, the forms which are in pressing coaction with the heads remain in this position during practically half of the period of revolution of the gear 41--, thereby affording ample time for shaping and. drying the fold of the collar which has been previously moistened before being placed upon the forms. As soon as the high bearing surface of the cam '57 leaves the roller 58 of the yoke +59 the vertical shaft ,7 carrying the collar supporting forms is lowered sufficiently to bring said forms below the plane of the shaping heads l and immediately following this action, the toothed segment of the gear l1 engages the teeth of the gear 35 to rotate the shaft -7 onehalf revolution, thereby bringing the ironed collars to the front of the heads and at the same time registering the forms with the unironed collars thereon with said heads. Immediately after the rotation of the heads in the manner just described, the shaft is locked against rotation by reason of the engagement of the pawl 37 in one of the notches -36 of the disk 34., whereupon the return of the cam 57 will elevate the shaft 7 and forms 5 through the medium of the yoke 59 and rock arm 62- thereby bringing the registering pair of collar supporting forms into pressing coaction with the shaping heads 1. During this pressing operation, the operator removes the ironed collars from the exposed forms 5 and replaces unironed collars thereon ready for repetition of the operations previously described. If, for'any reason it becomes necessary to stop the machine, it may be done by simply depressing the pedal'5at of the lever 52, thereby throwing the clutch '4(8- out of ,locking connection with the pulley and when the clutch is thus disconnected, the machine may be operated manually by means of the hand wheel -51. Cross reference is hereby made to my pending applications No. 665,006 filed December 11, 1911, and No. 666,485 filed December 18, 1911. It will be observed upon reference to Figs. 1 and l that the collar supports are held against rotation in their respective sockets 26 by pins, as 22 which are secured to the arms of the carrier 6- and project into recesses in the overlying portions of the base 18, thereby assuring the registration of the tabs of the collars with the recesses 16 in the heads, it being understood that the meeting ends of the sheet metal collarsupporting rings 19- are adjusted to register with said recesses and also serve as a guide in placing the collars upon the rings with their meetingends at opposite sides of the division 20.

What I claim is: p

1. In a collar-ironing machine, a head having a circular groove in its under side, a rotary. carrier having a socket, a coil spring seated in the socket and movable therewith into and out of axial alinement with the groove in the head, a circular collar support centrally mounted on said spring, and having a hollow boss surrounding the spring and telescoping in said socket, and a connecting bolt between the carrier and collar support. v 2. In a machine for shaping and ironing I for moving the shaft axially to force the I so *low hubs telescoping in said sockets, coiled springs in said sockets, and hubs for yieldingly supporting the forms, means for rotati-ng the shaft intermittingly to bring each pa r of forms successively 'into registrationwith the shaping heads, and separate means registering forms into and out of pressing c oaction with the heads.

'3. In a collar-ironing machine, a shaping head having a circularwgroove in its under side a c ollarsupport movable into and out of the groove and comprising a base having an inwardly projecting radial pin and a circular sheet metal ring divided" through one side and having oneof-its ends provided with an aperture'receiving said pin-for holding the ring against relative rotation 'on its base and permitting said ring to be' removed by springing the slottedend inwardly out of engagement with the pin.

4.1m machine for shaping and ironing folded fcollars, a shaping head having a-circular groove in its underside forming inner and outer circular flanges, aportion of the inner flange being cut away to form a recess registering with the groove the outer flange being continuous, a collar supporting form, means for moving the form into and out of pressing coaction with the groove of the head, and a spring finger within the form spring pressedinto engagement with'the inner fold of the collarto hold the latter onthe form, said finger registering with the recess in the head whenthe form is forced to itspressing position.

5. In a collar-ironing machine, a shaping head} having a circular groove in its underside forming lIlIlBI" and outer flanges, a

' portion of the inner flange being cutaway to form a recess'for receiving the collar tabs, a circular collar support'and a carrier therefor having telescoping connections, a coil spring within said telescoping connections yieldingly supporting the collar support, on the carrier means for moving the carrier rotarily about an axis at one side of the axis of the groove, additional means for reciprocating the carrier, and separate means for holding the collar support against rotary movement relatively to the carrier so as to register a certain portion of the collar support with; the recess in the head when the collar su-pportis registered with the circular gro ea 6. In amachine for shaping and ironing folded collars, a collar shaping die having acircula-r groovein its underside, a circular collar supporting form, power-driven means for elevating the form into pressing co-action with the groove in the die, and additional power-driven' means i synchronized with the first named meansl for positively returning the form from its pressing position.

able toward and from the other, means. for

ing a rotary cam for. forcing the lmovable 7 In a collar ironing machine, two'co-acting pressing elements, one of which l S ,1l'l'1OVv H reciprocating themovable elementcompriselement to its pressing position, power driving means for rotating said cam,- arock arm for returning the movable elementlfrom its 7 pressing position, and power driven means separate; from but moving in synchronism with the cam for rocking said armfiv 8. In a machine for shaping and ironing collars,a.collarshaping die having a groove in its underside, a rotary vertical shaft supported some distanceto one side of thedie, form supporting frame: secured to the shaft, separate circular collar supporting forms mounted on the framea distance from" the axis of the shaft equal to the distance be ,tween said axis and that of the die,-n1 eans for rotating the shaft intermittingly to 'move the :forms success vely into registra with the groove in thedie, additional means for positively returning the shaft and' forms to their down position, and separate means synchronized with the action of the mecha-.

nisms for rotating and reciprocating the shaft for tripping the locking means. i

bination of a head having a' socket, a ring for receiving the-collar, thezhead and the ring having relative movement one toward and from the other for interfi ttingthe rl ng with the collar thereonand the socket to' mold the collar, and means for holding the collar on the ring and preventing the same form adhering" to the head, the head having means fordisengagingthe collar holding means from the collar d'uring the moldjing ope-ration, substantially as and for the purpose set forth.

10. In a collar molding machine, the combination of a headhaving a socket,;aring for receiving the collar, the head and the ring having relative movement one toward and from the otherfor interfitting tl'i'e ring with the collar thereon and the socket tomold the collar, and means: for holding the collar on the ring and preventingthe same from adhering to the head, said means comprising a springarm fined relatively to the ring, the head'havingmeans for-moving the spring arm out of operative position dur- .0 i 9'. In a collar mold'ing'inachine, the coin-1 ing the molding operation, substantially as and for the purpose described.

11. In a collar ironing machine, a collar shaping head having an annular groove therein, a frame movable toward and from the head and provided with a hub, a circular collar support having a hub telescoping with the hub of the frame, a spring within said hubs for yieldingly supporting the collar support, and a bolt passed through said hubs and spring for holding the collar support and frame inoperative position and for tensioningthe spring.

12. In a collar ironing machine, a collar shaping head, a frame movable toward and from the head and provided with a hub, acollar support having a. hub telescoping with the hub of the frame, a spring'within said hubs for yieldingly supporting the collar support, and means connecting the frame and collar support for holding said parts in operative position.

13. In a collar molding machine, the combination of a head having a socket, a ring.

for receiving a collar, one of said elements being movable toward and from the other for interfitting the ring with the collar thereon and. the socket to mold the collar, a carriage for the ring including a cylindrical hub, the ring having a. hollow hub telescoping with and slidable axially of the hub upon the carriage, a spring arranged within said hubs, said spring permitting the ring to yield relatively to the carriage when in interfitting relation with the head, and means for moving the carriage to bring the head and ring into interfitting relation.

14. In a collar molding machine, the combination of a head having a socket, a rotary carriage having a plurality of hollow hubs eccentrically positioned thereon, a plurality of-rings for receiving collars, said rings having hollow hubs telescoping with and slidable axially of respective hubs upon the carriage, a. spring arranged within each of said telescoping hubs, said springs permitting the rings to yield relatively to the carriage and independentlyof each other, and means for moving the carriage axially to bring the rings withthe collars thereon into inte-rfitting relation with the socket in the head to mold the collar. 7

'15. In a. collar molding machine, the combination of a head having a'socket, a ring for receiving the collar, the ring being movable toward and from the head for interfitting the ring with the collar thereon and the socket to mold the collar, a carriage for the ring including a hollow hub, the ring having a hollow hub telescoping with and slidable axially of the hub upon the carriage, a spindle extending axially through the telescoping hubs and having spaced apart shoulders engaging a lower face of the carriage and an upper face of the hub, a spring interposed between the carriage and the hub of the ring forpermitting the ring to yield relatively to the carriage when in interfitting relation with the head, and means for bringing the head and ring into interfitting relation.

16. In a collar molding machine, a shaping head having a socket, a collar supporting ring, one of said elements adapted for thereon with the socket to mold the collar,

, a carriage for the ring, a vertically disposed pin, a yoke engaged with and guided vertically by said pin, a. cam for moving the yoke vertically, said yoke in its vertical movement adapted to force the movable element into pressing coaction with its coacting element.

17. In a collar molding machine, a shaping head having a socket, a collar supporting ring, one of said elements adapted for movement toward and from the other for interfitting the ring and collar supported thereon with the socket to mold the collar, a carriage for the ring, a pair of vertically disposed substantially parallel guide pins, a yoke having its ends engaged with and guided vertically by said pins, means for moving the yoke vertically, said yoke in its vertical movement adapted to move the car-v riage for the ring to bring the ring supported thereon into pressing coaction with .and ring may be regulated, and actuating means for moving the sleeve and thereby the shaft vertically to bring the elements into pressing coaction.

In witness whereof I have hereunto set my hand on this 26th day of March, 1912.

JOHN J. SELTENREIOH.

Witnesses:

H. E. CHASE, E. S. TUCKER.

Copies of this patent may be obtained for five cents each, by addressing the Commissioner of Patents,

' Washington, D. G. 

